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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/38474] compile time explosion in dataflow_set_preserve_mem_locs at -O3 Date: Wed, 10 Feb 2021 15:03:58 +0000 [thread overview] Message-ID: <bug-38474-4-gJNvgnOeYm@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-38474-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38474 --- Comment #84 from Richard Biener <rguenth at gcc dot gnu.org> --- So it's the usual (quadratic) culprit: Samples: 1M of event 'cycles:u', Event count (approx.): 1675893461671 Overhead Samples Command Shared Object Symbol 20.61% 316521 f951 f951 [.] get_ref_base_and_extent 14.42% 221221 f951 f951 [.] (anonymous namespace)::pass_store_merging::terminate_all_aliasing_chains 5.77% 88586 f951 f951 [.] special_function_p I'll see whether I can do some surgery.
next prev parent reply other threads:[~2021-02-10 15:03 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <bug-38474-4@http.gcc.gnu.org/bugzilla/> 2011-04-28 16:04 ` [Bug middle-end/38474] slow compilation at -O0 due to expand's temp slot goo rguenth at gcc dot gnu.org 2011-12-02 13:06 ` steven at gcc dot gnu.org 2011-12-02 13:25 ` matz at gcc dot gnu.org 2012-05-27 23:24 ` steven at gcc dot gnu.org 2012-05-29 7:53 ` Joost.VandeVondele at mat dot ethz.ch 2012-05-29 13:09 ` matz at gcc dot gnu.org 2012-05-29 13:12 ` matz at gcc dot gnu.org 2012-05-29 15:08 ` hubicka at gcc dot gnu.org 2012-05-29 16:00 ` jamborm at gcc dot gnu.org 2012-06-15 14:56 ` matz at gcc dot gnu.org 2012-06-15 15:13 ` matz at gcc dot gnu.org 2012-06-15 15:26 ` Joost.VandeVondele at mat dot ethz.ch 2012-06-26 14:26 ` jamborm at gcc dot gnu.org 2012-06-26 14:45 ` matz at gcc dot gnu.org 2012-06-26 14:58 ` rguenth at gcc dot gnu.org 2012-06-26 15:01 ` jamborm at gcc dot gnu.org 2012-06-29 14:34 ` jamborm at gcc dot gnu.org 2012-07-02 15:28 ` jamborm at gcc dot gnu.org 2012-07-02 15:44 ` jamborm at gcc dot gnu.org 2012-07-02 15:53 ` jamborm at gcc dot gnu.org 2012-08-28 8:25 ` steven at gcc dot gnu.org 2012-08-28 11:28 ` Joost.VandeVondele at mat dot ethz.ch 2012-08-28 14:55 ` Joost.VandeVondele at mat dot ethz.ch 2012-08-28 15:07 ` steven at gcc dot gnu.org 2013-03-06 11:01 ` [Bug middle-end/38474] compile time explosion in dataflow_set_preserve_mem_locs at -O3 steven at gcc dot gnu.org 2013-03-07 10:32 ` rguenth at gcc dot gnu.org 2013-03-07 14:55 ` rguenth at gcc dot gnu.org 2013-12-06 13:43 ` rguenth at gcc dot gnu.org 2013-12-06 14:20 ` rguenth at gcc dot gnu.org 2013-12-09 15:13 ` rguenth at gcc dot gnu.org 2013-12-10 12:31 ` rguenth at gcc dot gnu.org 2021-02-10 14:52 ` rguenth at gcc dot gnu.org 2021-02-10 15:03 ` rguenth at gcc dot gnu.org [this message] 2021-02-10 15:46 ` rguenth at gcc dot gnu.org 2021-02-10 15:47 ` rguenth at gcc dot gnu.org 2021-02-10 15:51 ` jakub at gcc dot gnu.org 2021-02-10 15:55 ` rguenther at suse dot de 2021-02-10 16:02 ` rguenth at gcc dot gnu.org 2021-02-10 16:06 ` jakub at gcc dot gnu.org 2021-02-10 16:06 ` rguenth at gcc dot gnu.org 2021-02-10 16:28 ` rguenth at gcc dot gnu.org 2021-02-10 16:49 ` jakub at gcc dot gnu.org 2021-02-11 9:32 ` rguenth at gcc dot gnu.org 2021-02-12 8:57 ` cvs-commit at gcc dot gnu.org 2021-02-12 10:29 ` rguenth at gcc dot gnu.org 2021-02-12 10:35 ` rguenth at gcc dot gnu.org 2021-02-12 11:42 ` cvs-commit at gcc dot gnu.org 2021-02-12 14:40 ` rguenth at gcc dot gnu.org 2021-02-16 12:38 ` cvs-commit at gcc dot gnu.org 2021-04-29 8:04 ` cvs-commit at gcc dot gnu.org
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